A SIMPLIFIED FREE FALL APPARATUS USING 60-CYCLE A. C. AS TIMER

✍ Scribed by J. M. Arthur

• Book ID: 114966208
• Publisher: School Science and Mathematics Association
• Year: 1933
• Tongue: English
• Weight: 37 KB
• Volume: 33
• Category: Article
• ISSN: 0036-6803
• DOI: 10.1111/j.1949-8594.1933.tb14117.x